mirror of
git://sourceware.org/git/glibc.git
synced 2026-09-08 23:58:31 +08:00
Adhemerval Zanella
99303f3871
This patch synchronizes the glibc fts implementation with the latest version from gnulib (as of 2026-02-16). The primary motivation is to address limitations in the legacy glibc implementation, most notably BZ 22944, where fts fails with an ENAMETOOLONG error when traversing very long paths or deeply nested directory trees. The gnulib implementation dynamically reallocates path buffers and uses openat/fchdir optimizations, effectively lifting the MAXPATHLEN limitation. The gnulib implementation also added extra features, which are used by different GNU projects (coreutils, diffutils): * FTS_TIGHT_CYCLE_CHECK: used to enable a strict, immediate cycle-detection algorithm during a file system traversal. This is done internally using a hash table: every time the traversal enters a directory, it records the directory's device and inode (dev/ino) pair in the hash table, and before entering any directory, fts checks the hash table. * FTS_CWDFD: instead of actually changing the process's current working directory, it maintains a virtual current working directory using file descriptors. The file descriptor is store at the fts_cwd_fd field and all subsequent file operations are performed relative to this file descriptor using *at functions. * FTS_DEFER_STAT: performance-oriented flag that instructs the file tree traversal engine to delay fetching file metadata. When the flag is used, fts skips the immediate stat call. Instead, it marks the entry with a special internal state (FTS_NSOK and FTS_STAT_REQUIRED). The actual stat call is pushed down the line and executed by fts_read right before the application actually accesses the entry. * FTS_VERBATIM: fts_open accept and use the path strings exactly as they were provided in the arguments array without slash trimming. * FTS_MOUNT: it restrict the file tree walk to a single file system. Hopefully,it would allow some GNU projects to use the glibc implementation instead of pulling the gnulib one. It requires some changes to keep compatibility, compared to gnulib: * The new required fields are added at the end of FTS structure, and the new FTS flags are adjusted to avoid change FTS_NAMEONLY/FTS_STOP (even though they are marked as private). * The FTSENT uses a flexible array (fts_name), so two adjustments are required: the two new members (fts_fts and fts_dirp) are place *before* the struct and the fts_statp is now always allocated and accounted (the gnulib implementation uses an alwyas allocated member). Checked on x86_64-linux-gnu and i686-linux-gnu.
334 lines
10 KiB
Plaintext
334 lines
10 KiB
Plaintext
# Files shared with other projects. Pass a file path to the
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# get_glibc_shared_code() function in the python library
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# scripts/glibc_shared_code.py to get a dict object with this information. See
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# the library sources for more information.
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# The headers on most of these files indicate that glibc is the canonical
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# source for these files, although in many cases there seem to be useful
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# changes in the gnulib versions that could be merged back in. Not all gnulib
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# files contain such a header and it is not always consistent in its format, so
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# it would be useful to make sure that all gnulib files that are using glibc as
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# upstream have a greppable header.
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#
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# These files are quite hard to find without a header to grep for and each file
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# has to be compared manually so this list is likely incomplete or may contain
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# errors.
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gnulib:
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COPYINGv2
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COPYINGv3
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COPYING.LESSERv2
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doc/fdl-1.3.texi
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argp/argp-ba.c
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argp/argp-ba.c
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argp/argp-eexst.c
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argp/argp-fmtstream.c
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argp/argp-fmtstream.h
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argp/argp-fs-xinl.c
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argp/argp-help.c
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argp/argp-namefrob.h
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argp/argp-parse.c
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argp/argp-pv.c
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argp/argp-pvh.c
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argp/argp-xinl.c
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argp/argp.h
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dirent/alphasort.c
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dirent/scandir.c
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# Merged from gnulib 2025-10-29 (gnulib commit 1790ef25d8)
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include/intprops.h
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include/intprops-internal.h
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# Merged from gnulib 2026-02-16
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include/assure.h
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include/flexmember.h
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include/hash.h
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include/next-prime.h
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include/xalloc-oversized.h
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# Merged from gnulib 2021-09-21
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include/regex.h
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# Merged from gnulib 2026-02-16
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io/cycle-check.c
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io/cycle-check.h
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io/dev-ino.h
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io/fts-cycle.c
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io/fts.c
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io/i-ring.c
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io/same-inode.h
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locale/programs/3level.h
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# Merged from gnulib 2014-6-23
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malloc/obstack.c
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# Merged from gnulib 2014-6-23
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malloc/obstack.h
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# Merged from gnulib 2014-07-10
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misc/error.c
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misc/error.h
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misc/getpass.c
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misc/hash.c
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misc/mkdtemp.c
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misc/next-prime.c
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# Merged from gnulib 2021-09-21
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misc/sys/cdefs.h
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posix/fnmatch_loop.c
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# Intended to be the same. Gnulib copy contains glibc changes.
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posix/getopt.c
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# Intended to be the same. Gnulib copy contains glibc changes.
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posix/getopt1.c
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# Intended to be the same. Gnulib copy contains glibc changes.
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posix/getopt_int.h
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posix/glob.c
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# Merged from gnulib 2021-09-21
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posix/regcomp.c
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# Merged from gnulib 2021-09-21
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posix/regex.c
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# Merged from gnulib 2021-09-21
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posix/regex.h
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# Merged from gnulib 2021-09-21
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posix/regex_internal.c
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# Merged from gnulib 2021-09-21
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posix/regex_internal.h
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# Merged from gnulib 2021-09-21
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posix/regexec.c
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posix/spawn.c
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posix/spawn_faction_addclose.c
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posix/spawn_faction_adddup2.c
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posix/spawn_faction_addopen.c
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posix/spawn_faction_destroy.c
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posix/spawn_faction_init.c
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posix/spawn_int.h
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posix/spawnattr_destroy.c
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posix/spawnattr_getdefault.c
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posix/spawnattr_getflags.c
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posix/spawnattr_getpgroup.c
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posix/spawnattr_getschedparam.c
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posix/spawnattr_getschedpolicy.c
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posix/spawnattr_getsigmask.c
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posix/spawnattr_init.c
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posix/spawnattr_setdefault.c
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posix/spawnattr_setflags.c
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posix/spawnattr_setpgroup.c
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posix/spawnattr_setschedparam.c
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posix/spawnattr_setschedpolicy.c
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posix/spawnattr_setsigmask.c
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posix/spawnp.c
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stdlib/atoll.c
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stdlib/getsubopt.c
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stdlib/setenv.c
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stdlib/strtoll.c
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stdlib/strtoul.c
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stdlib/tst-stdc_rotate_right.c
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# Merged from gnulib 2014-6-26, needs merge back
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string/memchr.c
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string/memcmp.c
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string/memmem.c
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string/mempcpy.c
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string/memrchr.c
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string/rawmemchr.c
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string/stpcpy.c
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string/stpncpy.c
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string/str-two-way.h
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string/strcasestr.c
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string/strcspn.c
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string/strdup.c
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string/strndup.c
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string/strpbrk.c
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string/strsignal.c
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string/strstr.c
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string/strtok_r.c
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string/strverscmp.c
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# Merged from gnulib 2024-04-08 (gnulib commit 3238349628)
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stdio-common/tmpdir.c
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stdio-common/tmpdir.h
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sysdeps/generic/pty-private.h
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sysdeps/generic/siglist.h
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sysdeps/posix/euidaccess.c
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sysdeps/posix/gai_strerror.c
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sysdeps/posix/getcwd.c
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sysdeps/posix/pwrite.c
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sysdeps/posix/spawni.c
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# Merged from gnulib 2024-04-08 (gnulib commit 3238349628)
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sysdeps/posix/tempname.c
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# Merged from gnulib 2014-6-27
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time/mktime.c
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time/mktime-internal.h
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time/strptime.c
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time/timegm.c
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# The last merge was 2014-12-11 and merged gettext 0.19.3 into glibc with a
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# patch submitted to the gettext mailing list for changes that could be merged
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# back.
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#
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# This commit was omitted from the merge as it does not appear to be compatible
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# with how glibc expects things to work:
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#
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# commit 279b57fc367251666f00e8e2b599b83703451afb
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# Author: Bruno Haible <bruno@clisp.org>
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# Date: Fri Jun 14 12:03:49 2002 +0000
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#
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# Make absolute pathnames inside $LANGUAGE work.
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gettext:
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intl/bindtextdom.c
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intl/dcgettext.c
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intl/dcigettext.c
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intl/dcngettext.c
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intl/dgettext.c
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intl/dngettext.c
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intl/explodename.c
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intl/finddomain.c
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intl/gettext.c
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intl/gettextP.h
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intl/gmo.h
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intl/hash-string.c
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intl/hash-string.h
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intl/l10nflist.c
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intl/loadinfo.h
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intl/loadmsgcat.c
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intl/locale.alias
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intl/localealias.c
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intl/ngettext.c
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intl/plural-exp.c
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intl/plural-exp.h
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intl/plural.y
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intl/textdomain.c
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# The following files are bundled from upstream Linux 6.10 for FUSE testing
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# support.
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linux:
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support/bundled/linux/COPYING
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support/bundled/linux/LICENSES
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support/bundled/linux/LICENSES/exceptions/Linux-syscall-note
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support/bundled/linux/LICENSES/preferred/GPL-2.0
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support/bundled/linux/include/uapi/linux/fuse.h
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# The following files are shared with the upstream Unicode project and must be
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# updated regularly to stay in sync with the upstream unicode releases.
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#
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# Merged from Unicode 17.0.0 release (2025 September 9)
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unicode:
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localedata/unicode-gen/UnicodeData.txt
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localedata/unicode-gen/unicode-license.txt
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localedata/unicode-gen/DerivedCoreProperties.txt
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localedata/unicode-gen/EastAsianWidth.txt
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localedata/unicode-gen/HangulSyllableType.txt
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# The following files are shared with the upstream tzcode project and must be
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# updated regularly to stay in sync with the upstream releases.
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#
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# Currently synced to TZDB 2024b, announced and distributed here:
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# https://github.com/eggert/tz/releases/tag/2024b
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tzcode:
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timezone/private.h
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timezone/tzfile.h
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timezone/tzselect.ksh
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timezone/version
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timezone/zdump.c
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timezone/zic.c
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# The following files are shared with the upstream tzdata project but is not
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# synchronized regularly. The data files themselves are used only for testing
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# purposes and their data is never used to generate any output. We synchronize
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# them only to stay on top of newer data that might help with testing.
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#
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# Currently synced to tzcode 2009i, announced and distributed here:
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# https://mm.icann.org/pipermail/tz/2009-June/040697.html
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# https://data.iana.org/time-zones/releases/tzdata2009i.tar.gz
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tzdata:
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timezone/africa
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timezone/antarctica
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timezone/asia
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timezone/australasia
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timezone/europe
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timezone/northamerica
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timezone/southamerica
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timezone/pacificnew
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timezone/etcetera
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timezone/factory
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timezone/backward
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timezone/systemv
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timezone/solar87
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timezone/solar88
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timezone/solar89
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timezone/iso3166.tab
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timezone/zone.tab
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timezone/leapseconds
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# This is yearistype.sh in the parent project
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timezone/yearistype
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# The following files are imported from the CORE-MATH project, with
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# adjustments made to follow glibc code style, to utilize internal error
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# handling functions, and to implement minor fixes for ABIs with
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# FLT_EVAL_METHOD equal to 2 (i386). Additionally, extra optimizations
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# are applied to share the internal data table across different
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# implementations.
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#
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# The project is distribute here:
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# https://gitlab.inria.fr/core-math/core-math/
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core-math:
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# src/binary64/acosh/acosh.c, revision 1bd85b89
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sysdeps/ieee754/dbl-64/e_acosh.c
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# src/binary64/atanh/atanh.c, revision 532e37dc
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sysdeps/ieee754/dbl-64/e_atanh.c
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# src/binary64/cosh/cosh.c, revision 5d0c89d5
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sysdeps/ieee754/dbl-64/e_cosh.c
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# src/binary64/tgamma/tgamma.c, revision 0f185e23
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sysdeps/ieee754/dbl-64/e_gamma_r.c
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# src/binary64/lgamma/lgamma.c, revision 0413bb7e
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sysdeps/ieee754/dbl-64/e_lgamma_r.c
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# src/binary64/sinh/sinh.c, revision 8127b7ac
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sysdeps/ieee754/dbl-64/e_sinh.c
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# src/binary64/asinh/asinh.c, revision cd653cf7
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sysdeps/ieee754/dbl-64/s_asinh.c
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# src/binary64/erf/erf.c, revision 384ed01d
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sysdeps/ieee754/dbl-64/s_erf.c
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# src/binary64/erfc/erfc.c, revision 55e9869e
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sysdeps/ieee754/dbl-64/s_erfc.c
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# src/binary64/tanh/tanh.c, revision 8ea8ea35
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sysdeps/ieee754/dbl-64/s_tanh.c
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# src/binary32/acos/acosf.c, revision 56dd347
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sysdeps/ieee754/flt-32/e_acosf.c
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# src/binary32/acosh/acoshf.c, revision d0b9ddd
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sysdeps/ieee754/flt-32/e_acoshf.c
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# file src/binary32/cosh/coshf.c, revision de59ecfb
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sysdeps/ieee754/flt-32/e_coshf.c
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# src/binary32/tgamma/tgammaf.c, revision 8ea8ea35
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sysdeps/ieee754/flt-32/e_gammaf_r.c
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# src/binary32/lgamma/lgammaf.c, revision 8ea8ea35
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sysdeps/ieee754/flt-32/e_lgammaf_r.c
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# src/binary32/log10/log10f.c, revision ebff4c43
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sysdeps/ieee754/flt-32/e_log10f.c
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# src/binary32/sinh/sinhf.c, revision bbfabd99
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sysdeps/ieee754/flt-32/e_sinhf.c
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# src/binary32/acospi/acospif.c, revision 1a6a9ab
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sysdeps/ieee754/flt-32/s_acospif.c
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# src/binary32/asinpi/asinpif.c, revision 6ee58266
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sysdeps/ieee754/flt-32/s_asinpif.c
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# src/binary32/atan2pi/atan2pif.c, revision dbebee1
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sysdeps/ieee754/flt-32/s_atan2pif.c
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# src/binary32/atanpi/atanpif.c, revision e02000e
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sysdeps/ieee754/flt-32/s_atanpif.c
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# src/binary32/cbrt/cbrtf.c, revision f7c7408d
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sysdeps/ieee754/flt-32/s_cbrtf.c
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# src/binary32/cospi/cospif.c, revision bbfabd99
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sysdeps/ieee754/flt-32/s_cospif.c
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# src/binary32/erfc/erfcf.c revision d0a2be20
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sysdeps/ieee754/flt-32/s_erfcf.c
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# src/binary32/erf/erff.c revision bc385c2
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sysdeps/ieee754/flt-32/s_erff.c
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# src/binary32/exp10m1/exp10m1f.c, revision c46b85b
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sysdeps/ieee754/flt-32/s_exp10m1f.c
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# src/binary32/exp2m1/exp2m1f.c, revision baf5f6b
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sysdeps/ieee754/flt-32/s_exp2m1f.c
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# src/binary32/expm1/expm1f.c, revision bc385c2
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sysdeps/ieee754/flt-32/s_expm1f.c
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# src/binary32/log10p1/log10p1f.c revision eb28456b
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sysdeps/ieee754/flt-32/s_log10p1f.c
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# src/binary32/log1p/log1pf.c revision 24ef43a1
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sysdeps/ieee754/flt-32/s_log1pf.c
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# src/binary32/log2p1/log2p1f.c revision 3fbe16be
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sysdeps/ieee754/flt-32/s_log2p1f.c
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# src/binary32/sinpi/sinpif.c, revision bbfabd99d
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sysdeps/ieee754/flt-32/s_sinpif.c
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# src/binary32/tan/tanf.c, revision 59d21d7
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sysdeps/ieee754/flt-32/s_tanf.c
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# src/binary32/tanh/tanhf.c, revision b1ecd83
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sysdeps/ieee754/flt-32/s_tanhf.c
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# src/binary32/tanpi/tanpif.c, revision 3bbf907
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sysdeps/ieee754/flt-32/s_tanpif.c
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